BEGIN:VCALENDAR
VERSION:2.0
X-WR-CALNAME:Mathematical Anniversaries
BEGIN:VEVENT
SUMMARY:One day
DESCRIPTION:One day (1 days)
DTSTART:20130106
DTEND:20130107
END:VEVENT

BEGIN:VEVENT
SUMMARY:1st even-perfect-number days
DESCRIPTION:1st even-perfect-number days (6 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20130111
DTEND:20130112
END:VEVENT

BEGIN:VEVENT
SUMMARY:One week
DESCRIPTION:One week (7 days)
DTSTART:20130112
DTEND:20130113
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 lunar orbit
DESCRIPTION:1 lunar orbit (27 days)
DTSTART:20130201
DTEND:20130202
END:VEVENT

BEGIN:VEVENT
SUMMARY:2nd even-perfect-number days
DESCRIPTION:2nd even-perfect-number days (28 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20130202
DTEND:20130203
END:VEVENT

BEGIN:VEVENT
SUMMARY:One month
DESCRIPTION:One month (31 days)
DTSTART:20130205
DTEND:20130206
END:VEVENT

BEGIN:VEVENT
SUMMARY:Life-universe-and-everything
DESCRIPTION:Life-universe-and-everything (42 days)
DTSTART:20130216
DTEND:20130217
END:VEVENT

BEGIN:VEVENT
SUMMARY:10th Fibonacci number days
DESCRIPTION:10th Fibonacci number days (55 days)
DTSTART:20130301
DTEND:20130302
END:VEVENT

BEGIN:VEVENT
SUMMARY:Naughty-versary
DESCRIPTION:Naughty-versary (69 days)
DTSTART:20130315
DTEND:20130316
END:VEVENT

BEGIN:VEVENT
SUMMARY:Smallest-weird-number days
DESCRIPTION:Smallest-weird-number days (70 days) (see http://en.wikipedia.org/wiki/Weird_number)
DTSTART:20130316
DTEND:20130317
END:VEVENT

BEGIN:VEVENT
SUMMARY:11th Fibonacci number days
DESCRIPTION:11th Fibonacci number days (89 days)
DTSTART:20130404
DTEND:20130405
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 days
DESCRIPTION:100 days (100 days)
DTSTART:20130415
DTEND:20130416
END:VEVENT

BEGIN:VEVENT
SUMMARY:123 days
DESCRIPTION:123 days (123 days)
DTSTART:20130508
DTEND:20130509
END:VEVENT

BEGIN:VEVENT
SUMMARY:12th Fibonacci number days
DESCRIPTION:12th Fibonacci number days (144 days)
DTSTART:20130529
DTEND:20130530
END:VEVENT

BEGIN:VEVENT
SUMMARY:200 days
DESCRIPTION:200 days (200 days)
DTSTART:20130724
DTEND:20130725
END:VEVENT

BEGIN:VEVENT
SUMMARY:13th Fibonacci number days
DESCRIPTION:13th Fibonacci number days (233 days)
DTSTART:20130826
DTEND:20130827
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 lunar orbits
DESCRIPTION:10 lunar orbits (273 days)
DTSTART:20131005
DTEND:20131006
END:VEVENT

BEGIN:VEVENT
SUMMARY:300 days
DESCRIPTION:300 days (300 days)
DTSTART:20131101
DTEND:20131102
END:VEVENT

BEGIN:VEVENT
SUMMARY:Sparta!
DESCRIPTION:Sparta! (300 days)
DTSTART:20131101
DTEND:20131102
END:VEVENT

BEGIN:VEVENT
SUMMARY:321 days
DESCRIPTION:321 days (321 days)
DTSTART:20131122
DTEND:20131123
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Earth year
DESCRIPTION:1 Earth year (365 days)
DTSTART:20140105
DTEND:20140106
END:VEVENT

BEGIN:VEVENT
SUMMARY:14th Fibonacci number days
DESCRIPTION:14th Fibonacci number days (377 days)
DTSTART:20140117
DTEND:20140118
END:VEVENT

BEGIN:VEVENT
SUMMARY:400 days
DESCRIPTION:400 days (400 days)
DTSTART:20140209
DTEND:20140210
END:VEVENT

BEGIN:VEVENT
SUMMARY:Anniversary Not Found
DESCRIPTION:Anniversary Not Found (404 days)
DTSTART:20140213
DTEND:20140214
END:VEVENT

BEGIN:VEVENT
SUMMARY:3rd even-perfect-number days
DESCRIPTION:3rd even-perfect-number days (496 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20140516
DTEND:20140517
END:VEVENT

BEGIN:VEVENT
SUMMARY:500 days
DESCRIPTION:500 days (500 days)
DTSTART:20140520
DTEND:20140521
END:VEVENT

BEGIN:VEVENT
SUMMARY:Anniversary Forbidden
DESCRIPTION:Anniversary Forbidden (503 days)
DTSTART:20140523
DTEND:20140524
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Root-2 years
DESCRIPTION:1 Root-2 years (516 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20140605
DTEND:20140606
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Golden ratio years
DESCRIPTION:1 Golden ratio years (591 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20140819
DTEND:20140820
END:VEVENT

BEGIN:VEVENT
SUMMARY:600 days
DESCRIPTION:600 days (600 days)
DTSTART:20140828
DTEND:20140829
END:VEVENT

BEGIN:VEVENT
SUMMARY:15th Fibonacci number days
DESCRIPTION:15th Fibonacci number days (610 days)
DTSTART:20140907
DTEND:20140908
END:VEVENT

BEGIN:VEVENT
SUMMARY:Lucifersary
DESCRIPTION:Lucifersary (666 days)
DTSTART:20141102
DTEND:20141103
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Mars year
DESCRIPTION:1 Mars year (687 days)
DTSTART:20141123
DTEND:20141124
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000,000 minutes
DESCRIPTION:1,000,000 minutes (694 days)
DTSTART:20141130
DTEND:20141201
END:VEVENT

BEGIN:VEVENT
SUMMARY:700 days
DESCRIPTION:700 days (700 days)
DTSTART:20141206
DTEND:20141207
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Earth years
DESCRIPTION:2 Earth years (730 days)
DTSTART:20150105
DTEND:20150106
END:VEVENT

BEGIN:VEVENT
SUMMARY:Feynman-point days
DESCRIPTION:Feynman-point days (762 days) (see http://en.wikipedia.org/wiki/Feynman_point)
DTSTART:20150206
DTEND:20150207
END:VEVENT

BEGIN:VEVENT
SUMMARY:800 days
DESCRIPTION:800 days (800 days)
DTSTART:20150316
DTEND:20150317
END:VEVENT

BEGIN:VEVENT
SUMMARY:123 weeks
DESCRIPTION:123 weeks (861 days)
DTSTART:20150516
DTEND:20150517
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Mercury years
DESCRIPTION:10 Mercury years (880 days)
DTSTART:20150604
DTEND:20150605
END:VEVENT

BEGIN:VEVENT
SUMMARY:900 days
DESCRIPTION:900 days (900 days)
DTSTART:20150624
DTEND:20150625
END:VEVENT

BEGIN:VEVENT
SUMMARY:16th Fibonacci number days
DESCRIPTION:16th Fibonacci number days (987 days)
DTSTART:20150919
DTEND:20150920
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 e years
DESCRIPTION:1 e years (993 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20150925
DTEND:20150926
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000 days
DESCRIPTION:1,000 days (1000 days)
DTSTART:20151002
DTEND:20151003
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Root-2 years
DESCRIPTION:2 Root-2 years (1033 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20151104
DTEND:20151105
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Earth years
DESCRIPTION:3 Earth years (1095 days)
DTSTART:20160105
DTEND:20160106
END:VEVENT

BEGIN:VEVENT
SUMMARY:1111 days
DESCRIPTION:1111 days (1111 days)
DTSTART:20160121
DTEND:20160122
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Pi years
DESCRIPTION:1 Pi years (1147 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20160226
DTEND:20160227
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Golden ratio years
DESCRIPTION:2 Golden ratio years (1182 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20160401
DTEND:20160402
END:VEVENT

BEGIN:VEVENT
SUMMARY:4th look-and-say number days
DESCRIPTION:4th look-and-say number days (1211 days) (see http://en.wikipedia.org/wiki/Look-and-say_sequence)
DTSTART:20160430
DTEND:20160501
END:VEVENT

BEGIN:VEVENT
SUMMARY:1234 days
DESCRIPTION:1234 days (1234 days)
DTSTART:20160523
DTEND:20160524
END:VEVENT

BEGIN:VEVENT
SUMMARY:1337 days
DESCRIPTION:1337 days (1337 days) (see http://en.wikipedia.org/wiki/Leet)
DTSTART:20160903
DTEND:20160904
END:VEVENT

BEGIN:VEVENT
SUMMARY:50 lunar orbits
DESCRIPTION:50 lunar orbits (1365 days)
DTSTART:20161001
DTEND:20161002
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Mars years
DESCRIPTION:2 Mars years (1374 days)
DTSTART:20161010
DTEND:20161011
END:VEVENT

BEGIN:VEVENT
SUMMARY:2,000,000 minutes
DESCRIPTION:2,000,000 minutes (1389 days)
DTSTART:20161025
DTEND:20161026
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Earth years
DESCRIPTION:4 Earth years (1461 days)
DTSTART:20170105
DTEND:20170106
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Root-2 years
DESCRIPTION:3 Root-2 years (1549 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20170403
DTEND:20170404
END:VEVENT

BEGIN:VEVENT
SUMMARY:17th Fibonacci number days
DESCRIPTION:17th Fibonacci number days (1597 days)
DTSTART:20170521
DTEND:20170522
END:VEVENT

BEGIN:VEVENT
SUMMARY:Hardy-Ramanujan-number days
DESCRIPTION:Hardy-Ramanujan-number days (1729 days) (see http://en.wikipedia.org/wiki/Srinivasa_Ramanujan)
DTSTART:20170930
DTEND:20171001
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Mercury years
DESCRIPTION:20 Mercury years (1759 days)
DTSTART:20171030
DTEND:20171031
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Golden ratio years
DESCRIPTION:3 Golden ratio years (1773 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20171113
DTEND:20171114
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Earth years
DESCRIPTION:5 Earth years (1826 days)
DTSTART:20180105
DTEND:20180106
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Cobalt 60 half-lives
DESCRIPTION:1 Cobalt 60 half-lives (1925 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20180414
DTEND:20180415
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 e years
DESCRIPTION:2 e years (1985 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20180613
DTEND:20180614
END:VEVENT

BEGIN:VEVENT
SUMMARY:300th prime number (1987) days
DESCRIPTION:300th prime number (1987) days (1987 days)
DTSTART:20180615
DTEND:20180616
END:VEVENT

BEGIN:VEVENT
SUMMARY:2,000 days
DESCRIPTION:2,000 days (2000 days)
DTSTART:20180628
DTEND:20180629
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Mars years
DESCRIPTION:3 Mars years (2061 days)
DTSTART:20180828
DTEND:20180829
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Root-2 years
DESCRIPTION:4 Root-2 years (2066 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20180902
DTEND:20180903
END:VEVENT

BEGIN:VEVENT
SUMMARY:3,000,000 minutes
DESCRIPTION:3,000,000 minutes (2083 days)
DTSTART:20180919
DTEND:20180920
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Earth years
DESCRIPTION:6 Earth years (2191 days)
DTSTART:20190105
DTEND:20190106
END:VEVENT

BEGIN:VEVENT
SUMMARY:2222 days
DESCRIPTION:2222 days (2222 days)
DTSTART:20190205
DTEND:20190206
END:VEVENT

BEGIN:VEVENT
SUMMARY:321 weeks
DESCRIPTION:321 weeks (2247 days)
DTSTART:20190302
DTEND:20190303
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Venus years
DESCRIPTION:10 Venus years (2247 days)
DTSTART:20190302
DTEND:20190303
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Pi years
DESCRIPTION:2 Pi years (2295 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20190419
DTEND:20190420
END:VEVENT

BEGIN:VEVENT
SUMMARY:5th Euclid-prime days
DESCRIPTION:5th Euclid-prime days (2311 days) (see http://en.wikipedia.org/wiki/List_of_primes)
DTSTART:20190505
DTEND:20190506
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Golden ratio years
DESCRIPTION:4 Golden ratio years (2364 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20190627
DTEND:20190628
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Earth years
DESCRIPTION:7 Earth years (2556 days)
DTSTART:20200105
DTEND:20200106
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Root-2 years
DESCRIPTION:5 Root-2 years (2582 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20200131
DTEND:20200201
END:VEVENT

BEGIN:VEVENT
SUMMARY:18th Fibonacci number days
DESCRIPTION:18th Fibonacci number days (2584 days)
DTSTART:20200202
DTEND:20200203
END:VEVENT

BEGIN:VEVENT
SUMMARY:30 Mercury years
DESCRIPTION:30 Mercury years (2639 days)
DTSTART:20200328
DTEND:20200329
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 lunar orbits
DESCRIPTION:100 lunar orbits (2730 days)
DTSTART:20200627
DTEND:20200628
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Mars years
DESCRIPTION:4 Mars years (2748 days)
DTSTART:20200715
DTEND:20200716
END:VEVENT

BEGIN:VEVENT
SUMMARY:4,000,000 minutes
DESCRIPTION:4,000,000 minutes (2778 days)
DTSTART:20200814
DTEND:20200815
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Earth years
DESCRIPTION:8 Earth years (2922 days)
DTSTART:20210105
DTEND:20210106
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Golden ratio years
DESCRIPTION:5 Golden ratio years (2955 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20210207
DTEND:20210208
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 e years
DESCRIPTION:3 e years (2978 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20210302
DTEND:20210303
END:VEVENT

BEGIN:VEVENT
SUMMARY:3,000 days
DESCRIPTION:3,000 days (3000 days)
DTSTART:20210324
DTEND:20210325
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Root-2 years
DESCRIPTION:6 Root-2 years (3099 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20210701
DTEND:20210702
END:VEVENT

BEGIN:VEVENT
SUMMARY:500 Pluto days
DESCRIPTION:500 Pluto days (3193 days)
DTSTART:20211003
DTEND:20211004
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Earth years
DESCRIPTION:9 Earth years (3287 days)
DTSTART:20220105
DTEND:20220106
END:VEVENT

BEGIN:VEVENT
SUMMARY:3333 days
DESCRIPTION:3333 days (3333 days)
DTSTART:20220220
DTEND:20220221
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Mars years
DESCRIPTION:5 Mars years (3435 days)
DTSTART:20220602
DTEND:20220603
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Pi years
DESCRIPTION:3 Pi years (3442 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20220609
DTEND:20220610
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Draconic years
DESCRIPTION:10 Draconic years (3466 days) (see http://en.wikipedia.org/wiki/Anomalistic_year)
DTSTART:20220703
DTEND:20220704
END:VEVENT

BEGIN:VEVENT
SUMMARY:5,000,000 minutes
DESCRIPTION:5,000,000 minutes (3472 days)
DTSTART:20220709
DTEND:20220710
END:VEVENT

BEGIN:VEVENT
SUMMARY:40 Mercury years
DESCRIPTION:40 Mercury years (3518 days)
DTSTART:20220824
DTEND:20220825
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Golden ratio years
DESCRIPTION:6 Golden ratio years (3546 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20220921
DTEND:20220922
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Root-2 years
DESCRIPTION:7 Root-2 years (3615 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20221129
DTEND:20221130
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Earth years
DESCRIPTION:10 Earth years (3652 days)
DTSTART:20230105
DTEND:20230106
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Cobalt 60 half-lives
DESCRIPTION:2 Cobalt 60 half-lives (3850 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20230722
DTEND:20230723
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 e years
DESCRIPTION:4 e years (3971 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20231120
DTEND:20231121
END:VEVENT

BEGIN:VEVENT
SUMMARY:4,000 days
DESCRIPTION:4,000 days (4000 days)
DTSTART:20231219
DTEND:20231220
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Earth years
DESCRIPTION:11 Earth years (4017 days)
DTSTART:20240105
DTEND:20240106
END:VEVENT

BEGIN:VEVENT
SUMMARY:Second-positive-integer-which-can-be-expressed-as-the-sum-of-two-positive-cubes-in-two-different-ways days
DESCRIPTION:Second-positive-integer-which-can-be-expressed-as-the-sum-of-two-positive-cubes-in-two-different-ways days (4104 days)
DTSTART:20240401
DTEND:20240402
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Full moon cycles
DESCRIPTION:10 Full moon cycles (4118 days) (see http://en.wikipedia.org/wiki/Full_moon_cycle)
DTSTART:20240415
DTEND:20240416
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Mars years
DESCRIPTION:6 Mars years (4122 days)
DTSTART:20240419
DTEND:20240420
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Root-2 years
DESCRIPTION:8 Root-2 years (4132 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20240429
DTEND:20240430
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Golden ratio years
DESCRIPTION:7 Golden ratio years (4137 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20240504
DTEND:20240505
END:VEVENT

BEGIN:VEVENT
SUMMARY:6,000,000 minutes
DESCRIPTION:6,000,000 minutes (4167 days)
DTSTART:20240603
DTEND:20240604
END:VEVENT

BEGIN:VEVENT
SUMMARY:100,000 hours
DESCRIPTION:100,000 hours (4167 days)
DTSTART:20240603
DTEND:20240604
END:VEVENT

BEGIN:VEVENT
SUMMARY:19th Fibonacci number days
DESCRIPTION:19th Fibonacci number days (4181 days)
DTSTART:20240617
DTEND:20240618
END:VEVENT

BEGIN:VEVENT
SUMMARY:4321 days
DESCRIPTION:4321 days (4321 days)
DTSTART:20241104
DTEND:20241105
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Jupiter year
DESCRIPTION:1 Jupiter year (4333 days)
DTSTART:20241116
DTEND:20241117
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Earth years
DESCRIPTION:12 Earth years (4383 days)
DTSTART:20250105
DTEND:20250106
END:VEVENT

BEGIN:VEVENT
SUMMARY:50 Mercury years
DESCRIPTION:50 Mercury years (4398 days)
DTSTART:20250120
DTEND:20250121
END:VEVENT

BEGIN:VEVENT
SUMMARY:4444 days
DESCRIPTION:4444 days (4444 days)
DTSTART:20250307
DTEND:20250308
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Venus years
DESCRIPTION:20 Venus years (4494 days)
DTSTART:20250426
DTEND:20250427
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Hydrogen 3 (Tritium) half-lives
DESCRIPTION:1 Hydrogen 3 (Tritium) half-lives (4502 days) (see http://en.wikipedia.org/wiki/Hydrogen-3)
DTSTART:20250504
DTEND:20250505
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Pi years
DESCRIPTION:4 Pi years (4590 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20250731
DTEND:20250801
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Root-2 years
DESCRIPTION:9 Root-2 years (4648 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20250927
DTEND:20250928
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Golden ratio years
DESCRIPTION:8 Golden ratio years (4728 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20251216
DTEND:20251217
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Earth years
DESCRIPTION:13 Earth years (4748 days)
DTSTART:20260105
DTEND:20260106
END:VEVENT

BEGIN:VEVENT
SUMMARY:1 Californium 250 half-lives
DESCRIPTION:1 Californium 250 half-lives (4780 days) (see http://en.wikipedia.org/wiki/Californium-250)
DTSTART:20260206
DTEND:20260207
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Mars years
DESCRIPTION:7 Mars years (4809 days)
DTSTART:20260307
DTEND:20260308
END:VEVENT

BEGIN:VEVENT
SUMMARY:7,000,000 minutes
DESCRIPTION:7,000,000 minutes (4861 days)
DTSTART:20260428
DTEND:20260429
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 e years
DESCRIPTION:5 e years (4964 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20260809
DTEND:20260810
END:VEVENT

BEGIN:VEVENT
SUMMARY:5,000 days
DESCRIPTION:5,000 days (5000 days)
DTSTART:20260914
DTEND:20260915
END:VEVENT

BEGIN:VEVENT
SUMMARY:8th colossally-abundant-number days
DESCRIPTION:8th colossally-abundant-number days (5040 days) (see http://en.wikipedia.org/wiki/Colossally_abundant_number)
DTSTART:20261024
DTEND:20261025
END:VEVENT

BEGIN:VEVENT
SUMMARY:14 Earth years
DESCRIPTION:14 Earth years (5113 days)
DTSTART:20270105
DTEND:20270106
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Root-2 years
DESCRIPTION:10 Root-2 years (5165 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20270226
DTEND:20270227
END:VEVENT

BEGIN:VEVENT
SUMMARY:60 Mercury years
DESCRIPTION:60 Mercury years (5278 days)
DTSTART:20270619
DTEND:20270620
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Golden ratio years
DESCRIPTION:9 Golden ratio years (5319 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20270730
DTEND:20270731
END:VEVENT

BEGIN:VEVENT
SUMMARY:200 lunar orbits
DESCRIPTION:200 lunar orbits (5460 days)
DTSTART:20271218
DTEND:20271219
END:VEVENT

BEGIN:VEVENT
SUMMARY:15 Earth years
DESCRIPTION:15 Earth years (5478 days)
DTSTART:20280105
DTEND:20280106
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 Mars years
DESCRIPTION:8 Mars years (5496 days)
DTSTART:20280123
DTEND:20280124
END:VEVENT

BEGIN:VEVENT
SUMMARY:5555 days
DESCRIPTION:5555 days (5555 days)
DTSTART:20280322
DTEND:20280323
END:VEVENT

BEGIN:VEVENT
SUMMARY:8,000,000 minutes
DESCRIPTION:8,000,000 minutes (5556 days)
DTSTART:20280323
DTEND:20280324
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Root-2 years
DESCRIPTION:11 Root-2 years (5681 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20280726
DTEND:20280727
END:VEVENT

BEGIN:VEVENT
SUMMARY:5 Pi years
DESCRIPTION:5 Pi years (5737 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20280920
DTEND:20280921
END:VEVENT

BEGIN:VEVENT
SUMMARY:3 Cobalt 60 half-lives
DESCRIPTION:3 Cobalt 60 half-lives (5775 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20281028
DTEND:20281029
END:VEVENT

BEGIN:VEVENT
SUMMARY:16 Earth years
DESCRIPTION:16 Earth years (5844 days)
DTSTART:20290105
DTEND:20290106
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Golden ratio years
DESCRIPTION:10 Golden ratio years (5910 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20290312
DTEND:20290313
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 e years
DESCRIPTION:6 e years (5956 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20290427
DTEND:20290428
END:VEVENT

BEGIN:VEVENT
SUMMARY:6,000 days
DESCRIPTION:6,000 days (6000 days)
DTSTART:20290610
DTEND:20290611
END:VEVENT

BEGIN:VEVENT
SUMMARY:70 Mercury years
DESCRIPTION:70 Mercury years (6157 days)
DTSTART:20291114
DTEND:20291115
END:VEVENT

BEGIN:VEVENT
SUMMARY:Kaprekar's-constant days
DESCRIPTION:Kaprekar's-constant days (6174 days) (see http://en.wikipedia.org/wiki/D._R._Kaprekar)
DTSTART:20291201
DTEND:20291202
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 Mars years
DESCRIPTION:9 Mars years (6183 days)
DTSTART:20291210
DTEND:20291211
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Root-2 years
DESCRIPTION:12 Root-2 years (6198 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20291225
DTEND:20291226
END:VEVENT

BEGIN:VEVENT
SUMMARY:17 Earth years
DESCRIPTION:17 Earth years (6209 days)
DTSTART:20300105
DTEND:20300106
END:VEVENT

BEGIN:VEVENT
SUMMARY:9,000,000 minutes
DESCRIPTION:9,000,000 minutes (6250 days)
DTSTART:20300215
DTEND:20300216
END:VEVENT

BEGIN:VEVENT
SUMMARY:1,000 Pluto days
DESCRIPTION:1,000 Pluto days (6387 days)
DTSTART:20300702
DTEND:20300703
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Golden ratio years
DESCRIPTION:11 Golden ratio years (6501 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20301024
DTEND:20301025
END:VEVENT

BEGIN:VEVENT
SUMMARY:18 Earth years
DESCRIPTION:18 Earth years (6574 days)
DTSTART:20310105
DTEND:20310106
END:VEVENT

BEGIN:VEVENT
SUMMARY:6666 days
DESCRIPTION:6666 days (6666 days)
DTSTART:20310407
DTEND:20310408
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Root-2 years
DESCRIPTION:13 Root-2 years (6714 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20310525
DTEND:20310526
END:VEVENT

BEGIN:VEVENT
SUMMARY:30 Venus years
DESCRIPTION:30 Venus years (6741 days)
DTSTART:20310621
DTEND:20310622
END:VEVENT

BEGIN:VEVENT
SUMMARY:20th Fibonacci number days
DESCRIPTION:20th Fibonacci number days (6765 days)
DTSTART:20310715
DTEND:20310716
END:VEVENT

BEGIN:VEVENT
SUMMARY:10 Mars years
DESCRIPTION:10 Mars years (6870 days)
DTSTART:20311028
DTEND:20311029
END:VEVENT

BEGIN:VEVENT
SUMMARY:6 Pi years
DESCRIPTION:6 Pi years (6885 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20311112
DTEND:20311113
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Draconic years
DESCRIPTION:20 Draconic years (6932 days) (see http://en.wikipedia.org/wiki/Anomalistic_year)
DTSTART:20311229
DTEND:20311230
END:VEVENT

BEGIN:VEVENT
SUMMARY:19 Earth years
DESCRIPTION:19 Earth years (6939 days)
DTSTART:20320105
DTEND:20320106
END:VEVENT

BEGIN:VEVENT
SUMMARY:10,000,000 minutes
DESCRIPTION:10,000,000 minutes (6944 days)
DTSTART:20320110
DTEND:20320111
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 e years
DESCRIPTION:7 e years (6949 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20320115
DTEND:20320116
END:VEVENT

BEGIN:VEVENT
SUMMARY:7,000 days
DESCRIPTION:7,000 days (7000 days)
DTSTART:20320306
DTEND:20320307
END:VEVENT

BEGIN:VEVENT
SUMMARY:80 Mercury years
DESCRIPTION:80 Mercury years (7037 days)
DTSTART:20320412
DTEND:20320413
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Golden ratio years
DESCRIPTION:12 Golden ratio years (7092 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20320606
DTEND:20320607
END:VEVENT

BEGIN:VEVENT
SUMMARY:14 Root-2 years
DESCRIPTION:14 Root-2 years (7230 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20321022
DTEND:20321023
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Earth years
DESCRIPTION:20 Earth years (7305 days)
DTSTART:20330105
DTEND:20330106
END:VEVENT

BEGIN:VEVENT
SUMMARY:11 Mars years
DESCRIPTION:11 Mars years (7557 days)
DTSTART:20330914
DTEND:20330915
END:VEVENT

BEGIN:VEVENT
SUMMARY:11,000,000 minutes
DESCRIPTION:11,000,000 minutes (7639 days)
DTSTART:20331205
DTEND:20331206
END:VEVENT

BEGIN:VEVENT
SUMMARY:21 Earth years
DESCRIPTION:21 Earth years (7670 days)
DTSTART:20340105
DTEND:20340106
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Golden ratio years
DESCRIPTION:13 Golden ratio years (7683 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20340118
DTEND:20340119
END:VEVENT

BEGIN:VEVENT
SUMMARY:4 Cobalt 60 half-lives
DESCRIPTION:4 Cobalt 60 half-lives (7700 days) (see http://en.wikipedia.org/wiki/Cobalt-60)
DTSTART:20340204
DTEND:20340205
END:VEVENT

BEGIN:VEVENT
SUMMARY:15 Root-2 years
DESCRIPTION:15 Root-2 years (7747 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20340323
DTEND:20340324
END:VEVENT

BEGIN:VEVENT
SUMMARY:7777 days
DESCRIPTION:7777 days (7777 days)
DTSTART:20340422
DTEND:20340423
END:VEVENT

BEGIN:VEVENT
SUMMARY:90 Mercury years
DESCRIPTION:90 Mercury years (7916 days)
DTSTART:20340908
DTEND:20340909
END:VEVENT

BEGIN:VEVENT
SUMMARY:8 e years
DESCRIPTION:8 e years (7942 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20341004
DTEND:20341005
END:VEVENT

BEGIN:VEVENT
SUMMARY:8,000 days
DESCRIPTION:8,000 days (8000 days)
DTSTART:20341201
DTEND:20341202
END:VEVENT

BEGIN:VEVENT
SUMMARY:7 Pi years
DESCRIPTION:7 Pi years (8032 days) (see http://en.wikipedia.org/wiki/Pi)
DTSTART:20350102
DTEND:20350103
END:VEVENT

BEGIN:VEVENT
SUMMARY:22 Earth years
DESCRIPTION:22 Earth years (8035 days)
DTSTART:20350105
DTEND:20350106
END:VEVENT

BEGIN:VEVENT
SUMMARY:4th even-perfect-number days
DESCRIPTION:4th even-perfect-number days (8128 days) (see http://en.wikipedia.org/wiki/Perfect_number)
DTSTART:20350408
DTEND:20350409
END:VEVENT

BEGIN:VEVENT
SUMMARY:300 lunar orbits
DESCRIPTION:300 lunar orbits (8190 days)
DTSTART:20350609
DTEND:20350610
END:VEVENT

BEGIN:VEVENT
SUMMARY:20 Full moon cycles
DESCRIPTION:20 Full moon cycles (8236 days) (see http://en.wikipedia.org/wiki/Full_moon_cycle)
DTSTART:20350725
DTEND:20350726
END:VEVENT

BEGIN:VEVENT
SUMMARY:12 Mars years
DESCRIPTION:12 Mars years (8244 days)
DTSTART:20350802
DTEND:20350803
END:VEVENT

BEGIN:VEVENT
SUMMARY:16 Root-2 years
DESCRIPTION:16 Root-2 years (8263 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20350821
DTEND:20350822
END:VEVENT

BEGIN:VEVENT
SUMMARY:14 Golden ratio years
DESCRIPTION:14 Golden ratio years (8274 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20350901
DTEND:20350902
END:VEVENT

BEGIN:VEVENT
SUMMARY:12,000,000 minutes
DESCRIPTION:12,000,000 minutes (8333 days)
DTSTART:20351030
DTEND:20351031
END:VEVENT

BEGIN:VEVENT
SUMMARY:200,000 hours
DESCRIPTION:200,000 hours (8333 days)
DTSTART:20351030
DTEND:20351031
END:VEVENT

BEGIN:VEVENT
SUMMARY:23 Earth years
DESCRIPTION:23 Earth years (8400 days)
DTSTART:20360105
DTEND:20360106
END:VEVENT

BEGIN:VEVENT
SUMMARY:1234 weeks
DESCRIPTION:1234 weeks (8638 days)
DTSTART:20360830
DTEND:20360831
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Jupiter years
DESCRIPTION:2 Jupiter years (8665 days)
DTSTART:20360926
DTEND:20360927
END:VEVENT

BEGIN:VEVENT
SUMMARY:24 Earth years
DESCRIPTION:24 Earth years (8766 days)
DTSTART:20370105
DTEND:20370106
END:VEVENT

BEGIN:VEVENT
SUMMARY:17 Root-2 years
DESCRIPTION:17 Root-2 years (8780 days) (see http://en.wikipedia.org/wiki/Square_root_of_2)
DTSTART:20370119
DTEND:20370120
END:VEVENT

BEGIN:VEVENT
SUMMARY:100 Mercury years
DESCRIPTION:100 Mercury years (8796 days)
DTSTART:20370204
DTEND:20370205
END:VEVENT

BEGIN:VEVENT
SUMMARY:15 Golden ratio years
DESCRIPTION:15 Golden ratio years (8865 days) (see http://en.wikipedia.org/wiki/Golden_ratio)
DTSTART:20370414
DTEND:20370415
END:VEVENT

BEGIN:VEVENT
SUMMARY:8888 days
DESCRIPTION:8888 days (8888 days)
DTSTART:20370507
DTEND:20370508
END:VEVENT

BEGIN:VEVENT
SUMMARY:13 Mars years
DESCRIPTION:13 Mars years (8931 days)
DTSTART:20370619
DTEND:20370620
END:VEVENT

BEGIN:VEVENT
SUMMARY:9 e years
DESCRIPTION:9 e years (8935 days) (see http://en.wikipedia.org/wiki/E_(mathematical_constant))
DTSTART:20370623
DTEND:20370624
END:VEVENT

BEGIN:VEVENT
SUMMARY:40 Venus years
DESCRIPTION:40 Venus years (8988 days)
DTSTART:20370815
DTEND:20370816
END:VEVENT

BEGIN:VEVENT
SUMMARY:9,000 days
DESCRIPTION:9,000 days (9000 days)
DTSTART:20370827
DTEND:20370828
END:VEVENT

BEGIN:VEVENT
SUMMARY:2 Hydrogen 3 (Tritium) half-lives
DESCRIPTION:2 Hydrogen 3 (Tritium) half-lives (9004 days) (see http://en.wikipedia.org/wiki/Hydrogen-3)
DTSTART:20370831
DTEND:20370901
END:VEVENT

BEGIN:VEVENT
SUMMARY:13,000,000 minutes
DESCRIPTION:13,000,000 minutes (9028 days)
DTSTART:20370924
DTEND:20370925
END:VEVENT

BEGIN:VEVENT
SUMMARY:25 Earth years
DESCRIPTION:25 Earth years (9131 days)
DTSTART:20380105
DTEND:20380106
END:VEVENT

END:VCALENDAR